错误信息中的异常信息为：com.alibaba.otter.node.etl.load.exception.LoadException: org.springframework...
今天遇到一个关于MySQL求助的问题,修改表结构时遇到“ERROR 1050 (42S01): table xxx already exits" mysql> ALTER TABLE DAY_BOOK_REPORT ADD UNIT_PRICE_PCS DOUBLE(12,2) DEFAULT NULL; ERROR 1050 (42S01): TABLE 'INVGSP/#SQL-IB379' ALREADY EXISTS mysql> 检查了后,发现表DAY_BOOK_REPORT确实不存...
最近测试Hadoop和Hbase集群,一次断电之后,Hbase无法正常启动,经过一系列配置之后,终于使得Hbase重新启动,但是却出现了新的问题,新建表时,总是提示Table already exists,很是郁闷,不知道什么原因,虽说以前建过同名的表,可是HDFS上和Hbase相关的东西都已经删除了。最后通过Google找到了解决方案,有可能是zookeeper的原因导...
今天遇到一个关于MySQL求助的问题,修改表结构时遇到“ERROR 1050 (42S01): table xxx already exits” mysql> ALTER TABLE DAY_BOOK_REPORT ADD UNIT_PRICE_PCS DOUBLE(12,2) DEFAULT NULL; ERROR 1050 (42S01): TABLE 'INVGSP/#SQL-IB379' ALREADY EXISTS mysql> 检查了后,发现表DAY_BOOK_REPORT确实不...
CREATE TABLE IF NOT EXISTS public.new_table AS TABLE public.src_table; NOTICE: relation "new_table" already exists, skipping 场景3:仅复制表结构,不同步数据。 CREATE TABLE public.new_table AS TABLE public.src_table WITH NO DATA; 场景4:复制新表并同步select查询的数据。 CREATE TABLE public.new...
ON DELETE CASCADE cannot be defined if an INSTEAD OF trigger ON DELETE already exists on the table. For example, in the AdventureWorks database, theProductVendortable has a referential relationship with theVendortable. TheProductVendor.VendorIDforeign key references theVendor.VendorIDprimary key. ...
CREATE TABLE dbo.doc_exz ( column_a INT, column_b INT) ; GO INSERT INTO dbo.doc_exz (column_a)VALUES ( 7 ) ; GO ALTER TABLE dbo.doc_exz ADD CONSTRAINT col_b_def DEFAULT 50 FOR column_b ; GO INSERT INTO dbo.doc_exz (column_a) VALUES ( 10 ) ; GO SELECT * FROM dbo.doc_...
# Note: both objects are assumed to exists already. $db = $srv.Databases["MyDB"] $table = $db.Tables["MyTable1"] # Write the first 4 integers into the table. # Note: 'MyTable1' has a column 'Col1' of type 'int' Write-SqlTableData -InputData (1..4) -InputObject $table ...
begin; create table tbl (a int not null, b text not null); call set_table_property('tbl', 'distribution_key', 'a'); commit; begin; create table tbl (a int not null, b text not null); call set_table_property('tbl', 'distribution_key', 'a,b'); commit; begin; create table ...
Documentation uses the term B-tree generally in reference to indexes. In rowstore indexes, the Database Engine implements a B+ tree. This does not apply to columnstore indexes or indexes on memory-optimized tables. For more information, see the SQL Server and Azure SQL index architecture and ...